2021 year China issued GB standards list


	GB/T 39782-2021 Specifications for safe firing area map-drawing of anti-aircraft gun at weather modification operating spots 人工影响天气高炮作业点安全射界图绘制规范
	GB/T 41056-2021 Full face tunnel boring machine—Double shield hard rock tunnel boring machine 全断面隧道掘进机双护盾岩石隧道掘进机
	GB/T 17217-2021 Hygienic specification for public toilet 公共厕所卫生规范
	GB/T 18329.4-2021 Plain bearings—Metallic multilayer plain bearings—Part 4:Non-destructive ultrasonic transmission testing of bond of thickness greater than or equal to 0.3 mm 滑动轴承多层金属滑动轴承第4部分: 合金厚度≥0.3mm的结合质量超声穿透无损检测
	GB/T 17626.31-2021 Electromagnetic compatibility—Testing and measurement techniques—Part 31：AC mains ports broadband conducted disturbance immunity test 电磁兼容试验和测量技术第31部分：交流电源端口宽带传导骚扰抗扰度试验
	GB/T 18802.32-2021 Low-voltage surge protective devices—Part 32: Surge protective devices connected to photovoltaic installations—Selection and application principles 低压电涌保护器第32部分：用于光伏系统的电涌保护器选择和使用导则
	GB/T 19237-2021 Compressed natural gas dispenser for vehicles 汽车用压缩天然气加气机
	GB/T 41053-2021 Full face tunnel boring machine—Dual modes (earth pressure balanced and slurry balanced) tunnel boring machine 全断面隧道掘进机土压平衡-泥水平衡双模式掘进机
	GB 40164-2021 Automobiles and trailer - Specifications and test methods of brake part 汽车和挂车制动器用零部件技术要求及试验方法
	GB/T 13174-2021 Determination of detergency and cycle of washing property for laundry detergents 衣料用洗涤剂去污力及循环洗涤性能的测定
	GB 1886.339-2021 National Food Safety Standard Food Additive Sodium Pyrophosphate 食品安全国家标准食品添加剂焦磷酸钠
	GB/T 26999-2021 Terminology for professional managers 职业经理人相关术语
	GB/T 5169.9-2021 Fire hazard testing for electric and electronic products—Part 9:Guidance for assessing the fire hazard—Preselection testing procedures—General guidelines 电工电子产品着火危险试验第9部分：着火危险评定导则预选试验程序总则
	GB/T 40873-2021 The expertise for oceanic cobalt-rich ferromanganese crusts exploration 大洋富钴结壳资源勘查规程
	GB/T 25015-2021 Ships and marine technology—Ship-shifting winches 船舶和海洋技术移船绞车
	GB/T 20368-2021 Production，storage and handling of liquefied natural gas（LNG）液化天然气（LNG）生产、储存和装运
	GB 55001-2021 General code for engineering structures 工程结构通用规范
	GB/T 41172-2021 Antispasmodic ankle foot orthoses 抗痉挛踝足矫形器
	GB/T 7163-2021 Requirements of reliability analysis for nuclear power plant safety systems 核电厂安全系统可靠性分析要求
	GB/T 38048.2-2021 Surface cleaning appliances—Part 2: Dry vacuum cleaners for household or similar use一Methods for measuring the performance 表面清洁器具第2部分：家用和类似用途干式真空吸尘器性能测试方法

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